Genus
Callixylon Zalessky, 1911
List of species
Classification
| Organism group | Biota |
| Kingdom | Plantae |
| Phylum | Archaeopteridophyta |
| Class | Archaeopteridopsida |
| Order | Archaeopteridales |
| Family | Archaeopteridacea |
| Genus | Archaeopteris |
| Callixylon | |
| Species | trifilievii |